69 lines
1.3 KiB
C++
69 lines
1.3 KiB
C++
#pragma once
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#include <sstream> // std::stringstream (buffer for log entries)
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#include <string>
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#ifndef LOG_USEMUTEX
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#define LOG_USEMUTEX 0
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#endif
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namespace Log {
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enum Level { OFF = 0, FATAL, ERROR, WARN, NOTE, INFO, DEBUG, TRACE };
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// set up the logger with a ConsoleOutput
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void init();
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// close all output streams
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void stop();
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void addLogfile(const std::string& filename, Level max);
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void addLogfile(const std::string& filename, Level min, Level max);
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void setConsoleLogLevel(Level lvl);
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void setColoredOutput(bool enabled);
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// Log entry that can be formed with various mixed data types
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// by concatenation with the << operator
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// Inspired from https://stackoverflow.com/a/8337882
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class Entry {
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private:
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std::stringstream ss;
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Level lvl;
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void addMetadataHeader();
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public:
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Entry(Level lvl);
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Entry(Entry&&) = default;
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~Entry();
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template <typename T> Entry& operator<<(const T& msg) {
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ss << msg;
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return *this;
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}
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};
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class LeveledSink {
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private:
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Level level;
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public:
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LeveledSink(Level level);
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template <typename T> Entry operator<<(const T& msg) {
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Entry entry(level);
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entry << msg;
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return entry;
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}
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};
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// LeveledSinks
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extern LeveledSink fatal;
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extern LeveledSink error;
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extern LeveledSink warn;
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extern LeveledSink note;
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extern LeveledSink info;
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extern LeveledSink debug;
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extern LeveledSink trace;
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} // namespace Log
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